Home / 757,674.90-1,136,467.71-284,320.26

Finding the Fourth Proportional to 757,674.90, 1,136,467.71 and 284,320.26

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Solution

The fourth proportional to 757,674.90, 1,136,467.71 and 284,320.26 is: 426,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,674.90 : 1,136,467.71 = 284,320.26 : x
  2. Step 2: Convert to fraction form
    757,674.90/1,136,467.71 = 284,320.26/x
  3. Step 3: Cross multiply
    757,674.90x = 1,136,467.71 × 284,320.26
  4. Step 4: Simplify right side
    757,674.90x = 323,120,794,788.81
  5. Step 5: Solve for x
    x = 323,120,794,788.81/757,674.90
  6. Step 6: Final answer
    x = 426,463.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.